Core Viewpoint - The article discusses the development of the marine economy in Weihai during the "14th Five-Year Plan" period, highlighting the city's strategic focus on high-quality growth and the implementation of various initiatives to enhance marine resource utilization, technological innovation, industrial strength, ecological protection, and openness in marine sectors [1]. Group 1: Marine Economic Growth - During the "14th Five-Year Plan," Weihai's marine production value is expected to grow at an average annual rate of 7.4%, surpassing 150 billion yuan by 2025, accounting for 38.5% of the GDP, an increase of 4.5 percentage points from the end of the "13th Five-Year Plan" [1]. - The city aims to implement the marine strong city strategy, focusing on five guiding principles: scientific use of the sea, technological advancement, industrial strength, ecological protection, and openness [1]. Group 2: Efficient Use of Marine Resources - The establishment of a market-oriented system for marine areas and islands is underway, with significant projects like the Changhuikou Reservoir being approved as a large-scale marine project [2]. - The "Blue Bay" project aims to restore 46 kilometers of damaged coastlines and 1,500 hectares of coastal wetlands during the "14th Five-Year Plan" [2]. Group 3: Technological Innovation in Marine Development - Weihai has built the first national marine comprehensive test site and established 410 marine innovation platforms, with annual R&D investment from marine enterprises growing by over 15% [3]. - The city has implemented over 250 marine technology projects, achieving breakthroughs in marine pharmaceuticals and underwater vehicles, with the growth rate of strategic emerging marine industries exceeding that of marine production value by 1.2 percentage points [3]. Group 4: Modern Marine Industry System - The marine fishery sector continues to lead nationally, with a projected annual seedling production exceeding 70 billion units by 2025 [4]. - The marine manufacturing cluster is thriving, with 961 seafood processing enterprises and a processing capacity of 3.67 million tons annually [4]. Group 5: Marine Service Industry Development - The establishment of 21 national-level leisure fishery bases and the development of a coastal tourism product system are underway, with significant growth in port passenger and cargo volumes expected by 2025 [5]. - The marine financial sector is expanding, with the introduction of specialized banking services and the issuance of the first marine carbon credit loans in the country [5]. Group 6: Ecological Protection of Marine Resources - Weihai is a pioneer in marine "waste-free city" initiatives, with significant improvements in coastal water quality and the restoration of seagrass beds [6]. - The city has completed the first carbon credit assessment project for kelp cultivation, promoting blue carbon economy initiatives [6]. Group 7: Openness in Marine Economy - The "Four Port Linkage" model has been established to enhance international logistics, with cross-border e-commerce exports to South Korea exceeding 10 billion yuan [7]. - The marine products export sector is robust, with over 360 enterprises involved and a projected total import and export value of over 17 billion yuan by 2025 [7].

Core Viewpoint - The article highlights the advancements in marine agriculture in Lianyungang District, particularly the successful breeding of the blue crab seedling, which marks a significant step in local aquaculture and economic development [1][2]. Group 1: Marine Agriculture Development - Lianyungang District has successfully bred 2 million blue crab seedlings using only 48 wintering crabs, showcasing the potential for local aquaculture [1]. - The blue crab is favored for its strong disease resistance and rapid growth, with a market price of approximately 0.35 yuan per seedling, indicating a promising market outlook [1]. - The district's marine economy is projected to reach a production value of 18.833 billion yuan in 2024, accounting for 58.3% of the regional GDP [1]. Group 2: Technological Innovation in Marine Industry - The marine fishery sector in Lianyungang is evolving from traditional nearshore fishing to deep-sea aquaculture and distant-water fishing, enhancing the industry chain [2][3]. - The district is collaborating with research institutions to introduce new species and technologies, such as ecological health farming methods for various marine species [2]. - The introduction of Antarctic krill development and advanced fishing technologies aims to create a high-value utilization chain for marine resources [2]. Group 3: Economic Growth and Statistics - In the previous year, the marine fishery sector achieved an added value of 1.866 billion yuan, reflecting a 154.6% increase compared to 2020, with an average annual growth rate of 26.3% [3]. - The district is focusing on developing new marine industries, including offshore wind power, marine biomedicine, and high-performance carbon fiber production [3]. Group 4: Research and Development Initiatives - Lianyungang has initiated 17 national and provincial projects in the past three years, receiving nearly 19.13 million yuan in financial support [4]. - The district is actively matching technology talent with enterprises to address innovation needs, signing contracts worth 1.22 million yuan for technology development and services [4]. Group 5: Future Plans and Goals - The district plans to strengthen cooperation with marine-related universities and accelerate the establishment of major technological innovation platforms [5]. - There is a focus on overcoming key technologies in marine high-end equipment, marine biology, and comprehensive seawater utilization to capture high-tech research and development opportunities [5].